181-Year-Old Lockkeeper's Tiny House Ready For Its Next Chapter

Millions visit the expansive National Mall each year in Washington, D.C., to see the towering Jefferson Memorial, Martin Luther King Jr. memorial, Washington Monument and more. They likely walk right by the Lockkeeper's House — a diminutive, storied house, nestled at the corner of 17th Street and Constitution Avenue. But the oldest building on the National Mall is now at the forefront of its revitalization.